形容词重叠：AA、AABB
解説
形容词重叠（AA式或AABB式）用于加强语气，使描述更生动，常表达程度加深或亲切感。AA式多用于单音节形容词，AABB式多用于双音节形容词。
Adjective reduplication (AA or AABB form) is used to intensify the description, making it more vivid and expressive. AA form is common for monosyllabic adjectives, while AABB form is used for disyllabic adjectives.
例文
那个女孩儿高高的个子，大大的眼睛，非常漂亮。
That girl has a tall figure and big eyes, she is very beautiful.
这个房间干干净净的。
This room is very clean and tidy.
他们都高高兴兴地回家了。
They all went home happily.